18408238

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:899

約数の個数: 16

約数和(自身を含む): 28150416

約数和(自身を除く): 9742178

約数列:

[1, 2, 83, 166, 173, 346, 641, 1282, 14359, 28718, 53203, 106406, 110893, 221786, 9204119, 18408238]

約数ペア:

[(1, 18408238), (2, 9204119), (83, 221786), (166, 110893), (173, 106406), (346, 53203), (641, 28718), (1282, 14359)]